First time here? Check out the FAQ!
Hi there! Please sign in
help
faq
tags
users
badges
This forum is disabled, please visit
https://forum.opencv.org
ALL
UNANSWERED
Ask Your Question
RSS
Sort by »
date ▼
activity
answers
votes
12,357 questions
Tagged
353
views
no
answers
no
votes
2020-11-10 20:02:04 -0600
tester
Can't save video
python
646
views
no
answers
-1
votes
2020-11-10 15:33:17 -0600
supra56
OpenCV Video Capture nonfunctional as class member (C++)
videocapture
C++videocapture
914
views
no
answers
no
votes
2020-11-10 02:55:32 -0600
regul
detecting blemish in skin
blemish
344
views
no
answers
no
votes
2020-11-09 22:30:13 -0600
mbechard
Python cuda_GpuMat and custom allocator
CUDA
gpumat
262
views
no
answers
no
votes
2020-11-06 03:57:20 -0600
RegisAG
How to change color of all non transparent pixels to black?
android
1k
views
no
answers
no
votes
2020-11-06 02:07:00 -0600
gino0717
can I use yolo v4 model in dnn in opencl?
dnn
opencl
304
views
no
answers
no
votes
2020-11-06 00:14:51 -0600
zxw2600
fail to calibrate fisheye camera
calibrateCamera
740
views
no
answers
no
votes
2020-11-05 12:40:07 -0600
vamshee
detect multiple qr code in the captured image using android SDK?
AndroidOpenCV
267
views
no
answers
-1
votes
2020-11-05 04:50:10 -0600
berak
Does OpenCV support react js?
reactjs
2k
views
no
answers
no
votes
2020-11-04 21:12:09 -0600
Crazy Sage
How to calibrate camera with opencv circles grid pattern?
Calib3d
calibration
516
views
no
answers
no
votes
2020-11-04 11:26:41 -0600
vdhers
C++ allocate and copy matrix take too much time
allocate
matrix
time
1k
views
no
answers
no
votes
2020-11-04 03:38:18 -0600
wilber1222
How to get raw data by OpenCV?
raw
image
354
views
no
answers
no
votes
2020-11-03 11:45:26 -0600
antithing
Opencv aruco::detectMarkers function crashes on AMD processors, runs fine on Intel.
amd
CPU
crash
132
views
no
answers
no
votes
2020-11-03 09:30:49 -0600
Hyderman
Display hierarchy lvl on contour.
hierarchy
660
views
no
answers
no
votes
2020-11-03 06:24:52 -0600
Sanju
How to enable Windows media foundation hardware acceleration on opencv.
opencv
windows
c++
1k
views
no
answers
no
votes
2020-11-02 16:55:50 -0600
moisu
Template Matching with Multiple Objects C++ Code
templateMatch
823
views
no
answers
1
vote
2020-11-02 09:41:08 -0600
amateurpirate
No effect from setting CAP_PROP_GAIN
camera
gain
1k
views
no
answers
no
votes
2020-11-02 22:20:40 -0600
supra56
Why pytesseract.image_to_data fails to recognize text?
edgedetection
shapedetection
OCR
8k
views
no
answers
no
votes
2020-11-01 08:14:19 -0600
slalomchip
Resolution Issues When Setting Video Capture Device
Video
CaptureVideo
resolution
dimension
frames
1k
views
no
answers
no
votes
2020-10-31 09:13:50 -0600
nairdap
Undefined references to tiff library
tiff
libtiff
477
views
no
answers
no
votes
2020-10-31 01:39:08 -0600
vanditha_07
How can I get this code working in case of video having colored background?
opencvpython
849
views
no
answers
no
votes
2020-10-30 17:05:24 -0600
YouNoNo
OpenCV cannot read from my VGA Webcam
opencv#window
514
views
no
answers
no
votes
2020-10-30 14:57:41 -0600
Ahmed
Spatial and temporal on depth image
c++
238
views
no
answers
no
votes
2020-10-30 08:09:31 -0600
DarioP
Letting highgui show pixel value in HLS colorspace
highgui
imshow
HLS
328
views
no
answers
no
votes
2020-10-29 16:08:05 -0600
emuemu
Consistently failing to compile openCV with RPi 3B+
RaspberryPi#opencv
RaspberryPi3#OpenCV
740
views
no
answers
no
votes
2020-10-29 11:04:48 -0600
Franck
Opencv 4.5.0 / Android / how to implement a Wiener filter ?
Wiener
121
views
no
answers
no
votes
2020-10-29 10:16:25 -0600
Seungho Hyun
MS Visual Studio 2017 MFC, when using StereoBM not have information
vs2017
opencv4.3.0
415
views
no
answers
no
votes
2020-10-29 06:45:50 -0600
sreenija
form a possible rectangle
python
230
views
no
answers
no
votes
2020-10-28 08:54:16 -0600
sturkmen
Check image dissimilar areas using SIFT
SIFT
214
views
no
answers
-1
votes
2020-10-28 02:17:21 -0600
tahereh rasouli
3d The amount of movement of two images
movement
of
two
Images
« previous
1
2
3
4
5
...
412
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
c++
×2
python
×2
allocate
×1
amd
×1
android
×1
AndroidOpenCV
×1
blemish
×1
Calib3d
×1
calibrateCamera
×1
calibration
×1
camera
×1
CaptureVideo
×1
CPU
×1
crash
×1
CUDA
×1
C++videocapture
×1
dimension
×1
dnn
×1
edgedetection
×1
frames
×1
gain
×1
gpumat
×1
hierarchy
×1
highgui
×1
HLS
×1
image
×1
Images
×1
imshow
×1
libtiff
×1
matrix
×1
movement
×1
OCR
×1
of
×1
opencl
×1
opencv
×1
opencv4.3.0
×1
opencvpython
×1
opencv#window
×1
RaspberryPi3#OpenCV
×1
RaspberryPi#opencv
×1
raw
×1
reactjs
×1
resolution
×1
shapedetection
×1
SIFT
×1
templateMatch
×1
tiff
×1
time
×1
two
×1
Video
×1
Copyright
OpenCV foundation
, 2012-2018. Content on this site is licensed under a
Creative Commons Attribution Share Alike 3.0
license.
Powered by Askbot version 0.10.2
Please note: OpenCV answers requires javascript to work properly, please enable javascript in your browser,
here is how
dummy
×
